package chapter4;

//Masking sign extension.
class HexByte {
	static public void main(String args[]) {
		char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a',
				'b', 'c', 'd', 'e', 'f' };
		byte b = (byte) 0xf1;
		System.out.println("b = 0x" + hex[(b >> 4) & 0x0f] + hex[b & 0x0f]);
	}
}